[SCA-AE] very OT ? for folks in PA

Sarah Goslee sarah.goslee at gmail.com
Thu Jul 24 15:44:26 EDT 2008

They're sticky traps for monitoring emerald ash borers.

The traps are part of a monitoring program to assess how far the
EAB has spread in Pennsylvania.


On Thu, Jul 24, 2008 at 10:36 AM, Heidi Wright <koala at bright.net> wrote:
> Having had occasion to drive through I-90 in Pennsylvania several
> times in the last few weeks, I have a quesion for those who live
> there.
> My family and I noticed a number of bright purple boxes hanging
> from the trees at the roadside.  My initial thought is that these
> might be "houses" for bats, to encourage them to eat insects in
> the area.  All our travel was daytime, so I didn't see any bats
> around them, but neither did I see birds or other fauna.
> So my question is: what is the purpose of those purple boxes?  I
> am sure that someone in wonderful AEthelmearc knows....
> Thanks!
Sarah Goslee

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